The 2018–19 Oklahoma State Cowgirls basketball team represented Oklahoma State University in the 2018–19 NCAA Division I women's basketball season. The Cowgirls, led by eighth-year head coach Jim Littell, played their home games at Gallagher-Iba Arena and were members of the Big 12 Conference. They finished the season 14–16, 5–13 in Big 12 play to finish in seventh place. They lost in the first round of the Big 12 women's tournament to Kansas.
Roster
Schedule and results
!colspan=9 style=|Exhibition
!colspan=9 style=| Non-conference regular season
!colspan=9 style=| Big 12 regular season
!colspan=9 style=| Big 12 Women's Tournament
Rankings
+ Regular season pollsPoll Pre-season Week2 Week3 Week4 Week5 Week6 Week7 Week8 Week9 Week10 Week11 Week12 Week13 Week14 Week15 Week16 Week17 Week18 Week19 Final AP N/A Coaches RV RV + Legend Increase in ranking Decrease in ranking Not ranked previous week (RV) Received votes (NR) Not ranked and did not receive votes
See also 2018–19 Oklahoma State Cowboys basketball team
References